Sistem Perpustakaan Menggunakan QR Code Berbasis Web Dengan Framework Codeigniter. Information Science and Library, [S. l.], v. 2, n. 1, p. 55–62, 2021. DOI: 10.26623/jisl.v2i1.3424. Disponível em: https://journals.usm.ac.id/index.php/jisl/article/view/3424. Acesso em: 19 jul. 2026.